Collapsible swivel chair



FIG. 1 is a front perspective view of our design for the collapsible swivel chair;

FIG. 2 is a front-side view thereof;

FIG. 3 is a right-side view thereof, a left-side view (not shown) is a mirror image of this right-side view;

FIG. 4 is a back-side view thereof;

FIG. 5 is a top-side plan view thereof; and,

FIG. 6 is a bottom-side plan view thereof.

The broken lines presented in the drawings are for illustration only and do not form a part of the claimed design. 

CLAIM The ornamental design for a collapsible swivel chair, as shown and described. 